mirror of https://github.com/kivy/pyjnius.git
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
'''
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Test creating an instance of a Java class and fetching its values.
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'''
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from __future__ import absolute_import
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import unittest
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from jnius import autoclass, JavaException
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class TestConstructor(unittest.TestCase):
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'''
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TestCase for using constructors with PyJNIus.
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'''
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def test_constructor_none(self):
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'''
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Empty constructor, baked value in the .java file.
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'''
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ConstructorTest = autoclass('org.jnius.ConstructorTest')
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inst = ConstructorTest()
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self.assertEqual(inst.ret, 753)
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self.assertTrue(ConstructorTest.getClass().isInstance(inst))
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def test_constructor_int(self):
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'''
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Constructor expecting int and setting it as public 'ret' property.
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'''
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ConstructorTest = autoclass('org.jnius.ConstructorTest')
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inst = ConstructorTest(123)
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self.assertEqual(inst.ret, 123)
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self.assertTrue(ConstructorTest.getClass().isInstance(inst))
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def test_constructor_string(self):
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'''
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Constructor expecting char, casting it to int and setting it
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as public 'ret' property.
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'''
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ConstructorTest = autoclass('org.jnius.ConstructorTest')
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inst = ConstructorTest('a')
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self.assertEqual(inst.ret, ord('a'))
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self.assertTrue(ConstructorTest.getClass().isInstance(inst))
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def test_constructor_int_string(self):
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'''
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Constructor expecting int and char, casting char to int and summing it
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as public 'ret' property.
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'''
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ConstructorTest = autoclass('org.jnius.ConstructorTest')
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inst = ConstructorTest(3, 'a')
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self.assertEqual(inst.ret, 3 + ord('a'))
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self.assertTrue(ConstructorTest.getClass().isInstance(inst))
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def test_constructor_exception(self):
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'''
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No such constructor found (no such signature),
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should raise JavaException.
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'''
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ConstructorTest = autoclass('org.jnius.ConstructorTest')
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with self.assertRaises(JavaException):
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ConstructorTest('1.', 2.0, False)
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if __name__ == '__main__':
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unittest.main()
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